Bulletin of the U.S. Department of Agriculture, Ausgaben 701-725U.S. Department of Agriculture, 1913 |
Im Buch
Ergebnisse 1-5 von 100
Seite 4
... testing . Killing effects of liquids against bedbugs .. Experiments with powders and other materials . Fumigation against bedbugs .... Tests of materials against bedbug eggs . Summary .. Cockroaches ... Action of materials on roaches ...
... testing . Killing effects of liquids against bedbugs .. Experiments with powders and other materials . Fumigation against bedbugs .... Tests of materials against bedbug eggs . Summary .. Cockroaches ... Action of materials on roaches ...
Seite 2
... tests of various substances .. Bedbugs , control , tests of various substances .... 707 7 707 2-8 25-26 , Beef , cold - storage holdings , 1916-17 , by sections and by months .... 709 29-30 , 36-37 Beet- diseases , description and ...
... tests of various substances .. Bedbugs , control , tests of various substances .... 707 7 707 2-8 25-26 , Beef , cold - storage holdings , 1916-17 , by sections and by months .... 709 29-30 , 36-37 Beet- diseases , description and ...
Seite 3
... tests ... 707 10-11 , 16 Botanical gardens , attraction of birds . 715 8 Boulevards , attraction for birds ...... 715 9 Brake , sawmill , description and use .. 718 61 Breads , flour - substitute ( and analysis of wheat - flour ...
... tests ... 707 10-11 , 16 Botanical gardens , attraction of birds . 715 8 Boulevards , attraction for birds ...... 715 9 Brake , sawmill , description and use .. 718 61 Breads , flour - substitute ( and analysis of wheat - flour ...
Seite 5
... tests . 707 23 , 32 Crop index , definition and method of finding ..... 705 4 Crops- Ohio hill farms , 1912-1916 , production , sales , etc .... rotation- 716 19-29 practices , Ohio hill farms . 716 25-27 with sugar beets .. 721 31-34 ...
... tests . 707 23 , 32 Crop index , definition and method of finding ..... 705 4 Crops- Ohio hill farms , 1912-1916 , production , sales , etc .... rotation- 716 19-29 practices , Ohio hill farms . 716 25-27 with sugar beets .. 721 31-34 ...
Seite 6
... tests ... 702 21 types , and causes of errors in candling . 702 6-18 Elder , poison . See Sumac , poison . Elm wood , weight per cord , and equivalent in coal . 718 59 Engines- loading description and costs .... 711 165-175 roading ...
... tests ... 702 21 types , and causes of errors in candling . 702 6-18 Elder , poison . See Sumac , poison . Elm wood , weight per cord , and equivalent in coal . 718 59 Engines- loading description and costs .... 711 165-175 roading ...
Andere Ausgaben - Alle anzeigen
Häufige Begriffe und Wortgruppen
Agriculture Bulletin 555 amount aphids arsenate of lead average bad eggs binder course bituminous concrete bituminous surface treatment block Bordeaux mixture bread brick broken stone Bureau camp candlers candling cars cent clay farms clothes moth coarse aggregate coefficient of wear cold-storage Columbia River cost crew crop Department of Agriculture drum ears elutriation flannel flour following requirements French coefficient globe artichoke grading gravel ground yarding hauled inch infested killed labor laboratory screens larvæ leaf stems legumes less than_ material means of laboratory meet the following mineral filler moths naphthalene operation Passing 1-inch screen percentage plants Polk Counties Portland cement Price railroad recandling rejects Retained on 1-inch road sample sand shell shuck covering silt loam farms specification sprayed storage sumac summer fallow Table tannin tensile strength tested by means thousand feet timber Total passing U. S. Department wearing course weevils weight wheat Willamette Valley yarding engine yolk
Beliebte Passagen
Seite 22 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment, and in a suitable weather-tight building which will protect the cement from dampness.
Seite 21 - To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To find the diameter of a pump cylinder...
Seite 22 - Portland cement is the product obtained by finely pulverizing clinker produced by calcining to incipient fusion an intimate and properly proportioned mixture of argillaceous and calcareous materials, with no additions subsequent to calcination excepting water and calcined or uncalcined gypsum.
Seite 74 - ... shall be punished by a fine of not less than twenty-five dollars ($25.00), nor more than one hundred dollars $100.00) or by imprisonment in a county jail for not less than ten days nor more than thirty days, or by both such fine and imprisonment.
Seite 35 - ... and, in smoothing off, the trowel should be drawn over the mold in such a manner as to exert a moderate pressure on the excess material. The mold should be turned over and the operation repeated.
Seite 22 - The average tensile strength in pounds per square inch of not less than three standard mortar briquettes...
Seite 22 - A pat of neat cement shall remain firm and hard, and show no signs of distortion, cracking, checking, or disintegration in the steam test for soundness.
Seite 13 - Raise the safety valves cautiously and frequently, as they are liable to become fast In their seats and useless for the purpose intended. 10.
Seite 22 - The specific gravity of cement shall not be less than 3.10. Should the test of cement as received fall below this requirement, a second test may be made upon a sample ignited at a low red heat. The loss in weight of the ignited cement shall not exceed 4 per cent.
Seite 13 - ... of the number of bales, the classification, the price or bona fide price offered, and other terms of purchase or sale, of any cotton involved in any transaction participated in by him, or to produce all books, letters, papers, or documents in his possession or under his control relating to such matter.